Rather than just lying on your back, you can try sitting, standing, propping your hips up with a pillow, kneeling on all fours, or any other position in which you find pleasure.
If you're interested in penetration, you can look into a g-spot vibrator, or any variety of toys made for inserting into the vagina.
Vaginal penetration can also feel good, if it's something you're interested in.
In this rather unusual bit of science, the British doctors surveyed 1,315 people men, women, and plastic surgeons , asking them to look at photos of different breasts and pick the proportions they liked best.
See your doctor if the bump persists or is accompanied by itching, burning, or other unusual symptoms.
Take some time to play around.